Presidium Instruments Pte Ltd was incorporated in 1979 and is the world’s leading manufacturer of gemmological instruments that test and measure diamonds and gems, for the diamond and gemstones industries.
NEW Presidium Inside Ring Mini Engraving Machine
This portable high quality instrument is a small yet reliable manual engraving machine that offers consistent, single letter engraving. Designed to easily engrave onto the inside of rings including: court, cushion court, Dshape, flat and flat court profiles
• Wide-ring holding capacity from 13 - 26mm diameter • rotation disc that can be set to 3 - 6 teeth movements (2-3mm) for adjustable letter spacing • Manufactured from sturdy, hardened powder-coated metal • supplied with 1 diamond tip, 1 circular 2-sided dial template that produces 2 letter heights (1mm, 2mm) and 5 brass sample rings to practice on • suitable to use on non-ferrous metals and stone set rings • also included is a complete set of instructions and a dust cover • Please note - halo ring profiles are not recommended